EP2993920A1 - Verfahren, vorrichtung und system zur datenübertragung - Google Patents

Verfahren, vorrichtung und system zur datenübertragung Download PDF

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Publication number
EP2993920A1
EP2993920A1 EP13885296.7A EP13885296A EP2993920A1 EP 2993920 A1 EP2993920 A1 EP 2993920A1 EP 13885296 A EP13885296 A EP 13885296A EP 2993920 A1 EP2993920 A1 EP 2993920A1
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EP
European Patent Office
Prior art keywords
data packet
data
transmission
fast transmission
header
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13885296.7A
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English (en)
French (fr)
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EP2993920B1 (de
EP2993920A4 (de
Inventor
Lingli Pang
Xiaoxiao Zheng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Filing date
Publication date
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Publication of EP2993920A1 publication Critical patent/EP2993920A1/de
Publication of EP2993920A4 publication Critical patent/EP2993920A4/de
Application granted granted Critical
Publication of EP2993920B1 publication Critical patent/EP2993920B1/de
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Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/12—Access point controller devices

Definitions

  • the present invention relates to communications technologies, and in particular, to a data transmission method, apparatus, and system.
  • an intelligent terminal for example, a smart phone
  • a machine type communications Machine Type Communications, MTC for short
  • MTC Machine Type Communications
  • increasing small data packets are transmitted.
  • services supported by the smart phone such as email pushing (Email push), instant messaging software MSN and QQ, and a virtual private network (Virtual Private Network, VPN for short)
  • email pushing email push
  • instant messaging software MSN and QQ instant messaging software MSN and QQ
  • a virtual private network Virtual Private Network, VPN for short
  • data transmitted in the services is also a small data packet.
  • Universal Mobile Telecommunications System Universal Mobile Telecommunication System, UMTS for short
  • user equipment User Equipment, UE for short
  • RNC Radio Network Controller
  • RRC Radio Resource Control
  • Embodiments of the present invention provide a data transmission method, apparatus, and system, so as to simplify a transmission procedure of a small data packet and improve data transmission efficiency.
  • an embodiment of the present invention provides a data transmission method, including: receiving, by a base station, a data packet sent from user equipment (UE); and sending, by the base station, the data packet to a radio network controller (RNC), where the data packet includes a second fast transmission indication, and the second fast transmission indication is used to indicate that a fast transmission procedure is used to perform data transmission of the data packet.
  • RNC radio network controller
  • the method before the receiving, by a base station, a data packet sent from UE, the method further includes: receiving, by the base station, access information sent from the UE, where the access information includes a first fast transmission indication, and the first fast transmission indication is used to indicate that the UE performs data transmission by using the fast transmission procedure.
  • the first fast transmission indication includes at least one of an access signature, physical random access channel (PRACH) channelization code, and an access timeslot.
  • PRACH physical random access channel
  • the receiving, by a base station, a data packet sent from UE includes: receiving, by the base station, a data packet that is sent from the UE and that includes a first fast transmission indication, where the first fast transmission indication is used to indicate that the UE performs data transmission by using the fast transmission procedure.
  • the first fast transmission indication is spare bits spare bits in a Media Access Control message header (MAC-i header) 0 in the data packet or is an enhanced data channel radio network temporary identifier (E-RNTI) in a MAC-i header 0 in the data packet.
  • MAC-i header Media Access Control message header
  • E-RNTI enhanced data channel radio network temporary identifier
  • the sending, by the base station, the data packet to an RNC, where the data packet includes a second fast transmission indication includes: sending, by the base station, a random access channel (RACH) data frame to the RNC, where the second fast transmission indication is a transmission manner identifier included in the RACH DATA FRAME; or sending, by the base station, an enhanced data channel (E-DCH) DATA FRAME to the RNC, where the second fast transmission indication is a resource identifier and/or a transmission manner identifier that are/is included in the E-DCH DATA FRAME, or an E-DCH radio network temporary identifier (E-RNTI) in the E-DCH DATA FRAME, or an E-RNTI and a data packet type flag that are in the E-DCH DATA FRAME.
  • RACH random access channel
  • E-DCH enhanced data channel
  • the method before the receiving, by a base station, a data packet sent from UE, the method further includes: forwarding, by the base station, a paging message from the RNC to the UE, where the paging message includes a third fast transmission indication, and the third fast transmission indication is used to trigger the UE to use the fast transmission procedure to perform the data transmission.
  • the third fast transmission indication is included in a paging cause field of the paging message or included in a high-speed downlink shared channel radio network temporary identifier (H-RNTI) corresponding to the paging message.
  • H-RNTI high-speed downlink shared channel radio network temporary identifier
  • an embodiment of the present invention provides a data transmission method, including: receiving, by a radio network controller (RNC) by using a base station, a data packet sent from user equipment (UE), where the data packet includes a second fast transmission indication, and the second fast transmission indication is used to indicate that a fast transmission procedure is used to perform data transmission of the data packet; and establishing or activating, by the RNC, a data transmission bearer.
  • RNC radio network controller
  • the receiving, by an RNC by using a base station, a data packet sent from UE, where the data packet includes a second fast transmission indication includes: receiving, by the RNC, a random access channel (RACH) data frame sent from the base station, where the second fast transmission indication is a transmission manner identifier included in the RACH DATA FRAME; or receiving, by the RNC, an enhanced data channel (E-DCH) DATA FRAME sent from the base station, where the second fast transmission indication is a resource identifier and/or a transmission manner identifier that are/is included in the E-DCH DATA FRAME, or an E-RNTI included in the E-DCH DATA FRAME, or an E-RNTI and a data packet type identifier that are included in the E-DCH DATA FRAME.
  • RACH random access channel
  • E-DCH enhanced data channel
  • the data packet further includes a user identifier of the UE, or the data packet further includes a user identifier of the UE and a type of the user identifier.
  • the user identifier is a universal mobile telecommunications system terrestrial radio access network radio network temporary identifier (U-RNTI), or a cell radio network temporary identifier (C-RNTI), or an IMSI, or a TMSI.
  • U-RNTI universal mobile telecommunications system terrestrial radio access network radio network temporary identifier
  • C-RNTI cell radio network temporary identifier
  • IMSI IMSI
  • TMSI TMSI
  • the user identifier is carried in a MAC-d header, or a MAC-c header, or a MAC-i header.
  • the method before the receiving, by an RNC, a data packet sent from UE, the method further includes: sending, by the RNC, a paging message to the UE, where the paging message includes a third fast transmission indication, and the third fast transmission indication is used to trigger the UE to use the fast transmission procedure to perform data transmission.
  • the fast transmission indication is included in a paging cause field of the paging message or included in an H-RNTI corresponding to the paging message.
  • the method further includes: sending, by the RNC, a downlink data packet to the UE, where the downlink data packet includes the user identifier of the UE.
  • the user identifier included in the downlink data packet is carried in the MAC-d header or the MAC-c header.
  • the sending, by the RNC, a downlink data packet to the UE, where the downlink data packet includes the user identifier of the UE includes: sending, by the RNC, the downlink data packet to the UE by using an HS-DSCH, where the user identifier is carried in the MAC-d header or the MAC-c header, or carried in a MAC-ehs header.
  • the method before the receiving, by an RNC, a data packet sent from UE, the method further includes: sending, by the RNC, a system information block (SIB) message to the UE, where the SIB message carries bearer configuration information of the data transmission, so that the UE sends the data packet to the base station according to the bearer configuration information.
  • SIB system information block
  • the method further includes: sending, by the RNC, a synchronization message to the UE, so that the UE releases the data transmission bearer according to the synchronization message.
  • an embodiment of the present invention provides a data transmission method, including: sending, by user equipment (UE), access information to a base station to acquire a transmission resource; and sending, by the UE, a data packet to the base station by using the transmission resource; where the access information or the data packet includes a first fast transmission indication, so that the base station determines, according to the first fast transmission indication, that the UE performs data transmission by using a fast transmission procedure.
  • UE user equipment
  • the first fast transmission indication included in the access information includes: at least one of an access signature, PRACH channelization code, and an access timeslot.
  • the first fast transmission indication included in the data packet includes: spare bits spare bits in a Media Access Control message header (MAC-i header) 0 in the data packet or an enhanced data channel radio network temporary identifier (E-RNTI) in a MAC-i header 0 in the data packet.
  • MAC-i header Media Access Control message header
  • E-RNTI enhanced data channel radio network temporary identifier
  • the data packet further includes a user identifier of the UE, or the data packet further includes a user identifier of the UE and a type of the user identifier.
  • the user identifier is a U-RNTI, or a C-RNTI, or an IMSI, or a TMSI.
  • the user identifier is carried in a MAC-d header, or a MAC-c header, or a MAC-i header.
  • the method before the sending, by UE, access information to a base station to acquire a transmission resource, the method further includes: receiving, by the UE, a paging message sent from an RNC, where the paging message includes a third fast transmission indication, and the third fast transmission indication is used to trigger the UE to use the fast transmission procedure to perform the data transmission.
  • the third fast transmission indication is included in a paging cause field of the paging message or included in an H-RNTI corresponding to the paging message.
  • the method further includes: receiving, by the UE, a downlink data packet that is sent from the RNC by using the base station, where the downlink data packet includes the user identifier of the UE.
  • the user identifier included in the downlink data packet is carried in the MAC-d header or the MAC-c header.
  • the receiving, by the UE, a downlink data packet that is sent from the RNC by using the base station, where the downlink data packet includes the user identifier of the UE includes: receiving, by the UE by using an HS-DSCH, the downlink data packet sent from the RNC to the UE, where the user identifier is carried in the MAC-d header or the MAC-c header, or carried in a MAC-ehs header.
  • the method further includes: receiving, by the UE, a system information block (SIB) message sent from the RNC, where the SIB message carries bearer configuration information of the data transmission; and the sending, by the UE, a data packet to the base station by using the transmission resource includes: sending, by the UE, the data packet to the base station according to the bearer configuration information by using the transmission resource.
  • SIB system information block
  • the method further includes: receiving, by the UE, a synchronization message that is sent from the RNC by using the base station, and releasing a data transmission bearer according to the synchronization message.
  • an embodiment of the present invention provides a data transmission apparatus, including: a receiving module, configured to receive a data packet sent from user equipment (UE); and a sending module, configured to send the data packet to a radio network controller (RNC), where the data packet includes a second fast transmission indication, and the second fast transmission indication is used to indicate that a fast transmission procedure is used to perform data transmission of the data packet.
  • a radio network controller RNC
  • the receiving module is further configured to: before receiving the data packet sent from the UE, receive access information sent from the UE, where the access information includes a first fast transmission indication, and the first fast transmission indication is used to indicate that the UE performs data transmission by using the fast transmission procedure.
  • the first fast transmission indication includes at least one of an access signature, a physical random access channel (PRACH) channelization code, and an access timeslot.
  • PRACH physical random access channel
  • the receiving module is specifically configured to: receive a data packet that is sent from the UE and that includes a first fast transmission indication, where the first fast transmission indication is used to indicate that the UE performs data transmission by using the fast transmission procedure.
  • the first fast transmission indication is spare bits spare bits in a Media Access Control message header (MAC-i header) 0 in the data packet or is an enhanced data channel radio network temporary identifier (E-RNTI) in a MAC-i header 0 in the data packet.
  • MAC-i header Media Access Control message header
  • E-RNTI enhanced data channel radio network temporary identifier
  • the sending module is specifically configured to: send a random access channel (RACH) data frame to the RNC, where the second fast transmission indication is a transmission manner identifier included in the RACH DATA FRAME; or send an enhanced data channel (E-DCH) DATA FRAME to the RNC, where the second fast transmission indication is a resource identifier and/or a transmission manner identifier that are/is included in the E-DCH DATA FRAME, or an E-RNTI in the E-DCH DATA FRAME, or an E-RNTI and a data packet type flag that are in the E-DCH DATA FRAME.
  • RACH random access channel
  • E-DCH enhanced data channel
  • the apparatus further includes: a forwarding module, configured to, before the data packet sent from the UE is received, forward a paging message from the RNC to the UE, where the paging message includes a third fast transmission indication, and the third fast transmission indication is used to trigger the UE to use the fast transmission procedure to perform the data transmission.
  • a forwarding module configured to, before the data packet sent from the UE is received, forward a paging message from the RNC to the UE, where the paging message includes a third fast transmission indication, and the third fast transmission indication is used to trigger the UE to use the fast transmission procedure to perform the data transmission.
  • the third fast transmission indication is included in a paging cause field of the paging message or included in a high-speed downlink shared channel radio network temporary identifier (H-RNTI) corresponding to the paging message.
  • H-RNTI high-speed downlink shared channel radio network temporary identifier
  • an embodiment of the present invention provides a data transmission apparatus, including: a receiving module, configured to receive, by using a base station, a data packet sent from user equipment (UE), where the data packet includes a second fast transmission indication, and the second fast transmission indication is used to indicate that a fast transmission procedure is used to perform data transmission of the data packet; and a bearer module, configured to establish or activate a data transmission bearer.
  • a receiving module configured to receive, by using a base station, a data packet sent from user equipment (UE), where the data packet includes a second fast transmission indication, and the second fast transmission indication is used to indicate that a fast transmission procedure is used to perform data transmission of the data packet
  • UE user equipment
  • the receiving module is specifically configured to: receive a random access channel (RACH) data frame sent from the base station, where the second fast transmission indication is a transmission manner identifier included in the RACH DATA FRAME; or receive an enhanced data channel (E-DCH) DATA FRAME sent from the base station, where the second fast transmission indication is a resource identifier and/or a transmission manner identifier that are/is included in the E-DCH DATA FRAME, or an E-DCH radio network temporary identifier (E-RNTI) included in the E-DCH DATA FRAME, or an E-RNTI and a data packet type identifier that are included in the E-DCH DATA FRAME.
  • RACH random access channel
  • E-DCH enhanced data channel
  • the data packet further includes a user identifier of the UE, or the data packet further includes a user identifier of the UE and a type of the user identifier.
  • the user identifier is a universal mobile telecommunications system terrestrial radio access network radio network temporary identifier (U-RNTI), or a cell radio network temporary identifier (C-RNTI), or an IMSI, or a TMSI.
  • U-RNTI universal mobile telecommunications system terrestrial radio access network radio network temporary identifier
  • C-RNTI cell radio network temporary identifier
  • IMSI IMSI
  • TMSI TMSI
  • the user identifier is carried in a MAC-d header, or a MAC-c header, or a MAC-i header.
  • a sending module configured to, before the data packet sent from the UE is received, send a paging message to the UE, where the paging message includes a third fast transmission indication, and the third fast transmission indication is used to trigger the UE to use the fast transmission procedure to perform the data transmission.
  • the fast transmission indication is included in a paging cause field of the paging message or included in a high-speed downlink shared channel radio network temporary identifier (H-RNTI) corresponding to the paging message.
  • H-RNTI high-speed downlink shared channel radio network temporary identifier
  • the sending module is further configured to: after the data packet sent from the UE is received, send a downlink data packet to the UE, where the downlink data packet includes the user identifier of the UE.
  • the user identifier included in the downlink data packet is carried in the MAC-d header or the MAC-c header.
  • the sending module is specifically configured to: send the downlink data packet to the UE by using an HS-DSCH, where the user identifier is carried in the MAC-d header or the MAC-c header, or carried in a MAC-ehs header.
  • the sending module is further configured to: before the data packet sent from the UE is received, send a system information block (SIB) message to the UE, where the SIB message carries bearer configuration information of the data transmission, so that the UE sends the data packet to the base station according to the bearer configuration information.
  • SIB system information block
  • the sending module is further configured to: after the data packet sent from the user equipment (UE) is received, send a synchronization message to the UE, so that the UE releases the data transmission bearer according to the synchronization message.
  • UE user equipment
  • an embodiment of the present invention provides a data transmission apparatus, including: a resource acquiring module, configured to send access information to a base station to acquire a transmission resource; and a sending module, configured to send a data packet to the base station by using the transmission resource; where the access information or the data packet includes a first fast transmission indication, so that the base station determines, according to the first fast transmission indication, that the UE performs data transmission by using a fast transmission procedure.
  • the first fast transmission indication included in the access information includes: at least one of an access signature, physical random access channel (PRACH) channelization code, and an access timeslot.
  • PRACH physical random access channel
  • the first fast transmission indication included in the data packet includes: spare bits spare bits in a Media Access Control message header (MAC-i header) 0 in the data packet or an enhanced data channel radio network temporary identifier (E-RNTI) in a MAC-i header 0 in the data packet.
  • MAC-i header Media Access Control message header
  • E-RNTI enhanced data channel radio network temporary identifier
  • the data packet further includes a user identifier of the UE, or the data packet further includes a user identifier of the UE and a type of the user identifier.
  • the user identifier is a universal mobile telecommunications system terrestrial radio access network radio network temporary identifier (U-RNTI), or a cell radio network temporary identifier (C-RNTI), or an IMSI, or a TMSI.
  • U-RNTI universal mobile telecommunications system terrestrial radio access network radio network temporary identifier
  • C-RNTI cell radio network temporary identifier
  • IMSI IMSI
  • TMSI TMSI
  • the user identifier is carried in a MAC-d header, or a MAC-c header, or a MAC-i header.
  • the apparatus further includes: a receiving module, configured to, before the access information is sent to the base station to acquire the transmission resource, receive a paging message sent from an RNC, where the paging message includes a third fast transmission indication, and the third fast transmission indication is used to trigger the UE to use the fast transmission procedure to perform the data transmission.
  • the third fast transmission indication is included in a paging cause field of the paging message or included in an H-RNTI corresponding to the paging message.
  • the receiving module is further configured to: after the data packet is sent to the base station by using the transmission resource, receive a downlink data packet that is sent from the RNC by using the base station, where the downlink data packet includes the user identifier of the UE.
  • the user identifier included in the downlink data packet is carried in the MAC-d header or the MAC-c header.
  • the receiving module is specifically configured to: receive, by using an HS-DSCH, the downlink data packet sent from the RNC to the UE, where the user identifier is carried in the MAC-d header or the MAC-c header, or carried in a MAC-ehs header.
  • the receiving module is further configured to: before the data packet is sent to the base station by using the transmission resource, receive a system information block (SIB) message sent from the RNC, where the SIB message carries bearer configuration information of the data transmission; where the sending module is specifically configured to: send the data packet to the base station according to the bearer configuration information by using the transmission resource.
  • SIB system information block
  • the receiving module is further configured to: after the data packet is sent to the base station by using the transmission resource, receive a synchronization message that is sent from the RNC by using the base station, and release a data transmission bearer according to the synchronization message.
  • an embodiment of the present invention provides a base station, including: a receiver, configured to receive a data packet sent from user equipment (UE); and a transmitter, configured to send the data packet to a radio network controller (RNC), where the data packet includes a second fast transmission indication, and the second fast transmission indication is used to indicate that a fast transmission procedure is used to perform data transmission of the data packet.
  • RNC radio network controller
  • the receiver is further configured to: before receiving the data packet sent from the UE, receive access information sent from the UE, where the access information includes a first fast transmission indication, and the first fast transmission indication is used to indicate that the UE performs data transmission by using the fast transmission procedure.
  • the first fast transmission indication includes at least one of an access signature, a physical random access channel (PRACH) channelization code, and an access timeslot.
  • PRACH physical random access channel
  • the receiver is specifically configured to: receive a data packet that is sent from the UE and that includes a first fast transmission indication, where the first fast transmission indication is used to indicate that the UE performs data transmission by using the fast transmission procedure.
  • the first fast transmission indication is spare bits spare bits in a Media Access Control message header (MAC-i header) 0 in the data packet or is an enhanced data channel radio network temporary identifier (E-RNTI) in a MAC-i header 0 in the data packet.
  • MAC-i header Media Access Control message header
  • E-RNTI enhanced data channel radio network temporary identifier
  • the transmitter is specifically configured to: send a random access channel (RACH) data frame to the RNC, where the second fast transmission indication is a transmission manner identifier included in the RACH DATA FRAME; or send an enhanced data channel (E-DCH) DATA FRAME to the RNC, where the second fast transmission indication is a resource identifier and/or a transmission manner identifier that are/is included in the E-DCH DATA FRAME, or an E-RNTI in the E-DCH DATA FRAME, or an E-RNTI and a data packet type flag that are in the E-DCH DATA FRAME.
  • RACH random access channel
  • E-DCH enhanced data channel
  • the transmitter is further configured to: before the data packet sent from the UE is received, forward a paging message from the RNC to the UE, where the paging message includes a third fast transmission indication, and the third fast transmission indication is used to trigger the UE to use the fast transmission procedure to perform the data transmission.
  • the third fast transmission indications is included in a paging cause field of the paging message or included in a high-speed downlink shared channel radio network temporary identifier (H-RNTI) corresponding to the paging message.
  • H-RNTI high-speed downlink shared channel radio network temporary identifier
  • an embodiment of the present invention provides a radio network controller (RNC), including: a receiver, configured to receive, by using a base station, a data packet sent from user equipment (UE), where the data packet includes a second fast transmission indication, and the second fast transmission indication is used to indicate that a fast transmission procedure is used to perform data transmission of the data packet; and a processor, configured to establish or activate a data transmission bearer.
  • RNC radio network controller
  • the receiver is specifically configured to: receive a random access channel (RACH) data frame sent from the base station, where the second fast transmission indication is a transmission manner identifier included in the RACH DATA FRAME; or receive an enhanced data channel (E-DCH) DATA FRAME sent from the base station, where the second fast transmission indication is a resource identifier and/or a transmission manner identifier that are/is included in the E-DCH DATA FRAME, or an E-DCH radio network temporary identifier (E-RNTI) included in the E-DCH DATA FRAME, or an E-RNTI and a data packet type identifier that are included in the E-DCH DATA FRAME.
  • RACH random access channel
  • E-DCH enhanced data channel
  • the data packet further includes a user identifier of the UE, or the data packet further includes a user identifier of the UE and a type of the user identifier.
  • the user identifier is a universal mobile telecommunications system terrestrial radio access network radio network temporary identifier (U-RNTI), or a cell radio network temporary identifier (C-RNTI), or an IMSI, or a TMSI.
  • U-RNTI universal mobile telecommunications system terrestrial radio access network radio network temporary identifier
  • C-RNTI cell radio network temporary identifier
  • IMSI IMSI
  • TMSI TMSI
  • the user identifier is carried in a MAC-d header, or a MAC-c header, or a MAC-i header.
  • the RNC further includes: a transmitter, configured to, before the data packet sent from the UE is received, send a paging message to the UE, where the paging message includes a third fast transmission indication, and the third fast transmission indication is used to trigger the UE to use the fast transmission procedure to perform the data transmission.
  • the fast transmission indication is included in a paging cause field of the paging message or included in a high-speed downlink shared channel radio network temporary identifier (H-RNTI) corresponding to the paging message.
  • H-RNTI high-speed downlink shared channel radio network temporary identifier
  • the transmitter is further configured to: after the data packet sent from the UE is received, send a downlink data packet to the UE, where the downlink data packet includes the user identifier of the UE.
  • the user identifier included in the downlink data packet is carried in the MAC-d header or the MAC-c header.
  • the transmitter is specifically configured to: send the downlink data packet to the UE by using an HS-DSCH, where the user identifier is carried in the MAC-d header or the MAC-c header, or carried in a MAC-ehs header.
  • the transmitter is further configured to: before the data packet sent from the UE is received, send a system information block (SIB) message to the UE, where the SIB message carries bearer configuration information of the data transmission, so that the UE sends the data packet to the base station according to the bearer configuration information.
  • SIB system information block
  • the transmitter is further configured to: after the data packet sent from the user equipment (UE) is received, send a synchronization message to the UE, so that the UE releases the data transmission bearer according to the synchronization message.
  • UE user equipment
  • an embodiment of the present invention provides user equipment (UE), including: a processor, configured to send access information to a base station to acquire a transmission resource; and a transmitter, configured to send a data packet to the base station by using the transmission resource; where the access information or the data packet includes a first fast transmission indication, so that the base station determines, according to the first fast transmission indication, that the UE performs data transmission by using a fast transmission procedure.
  • UE user equipment
  • the first fast transmission indication included in the access information includes: at least one of an access signature, physical random access channel (PRACH) channelization code, and an access timeslot.
  • PRACH physical random access channel
  • the first fast transmission indication included in the data packet includes: spare bits spare bits in a Media Access Control message header (MAC-i header) 0 in the data packet or an enhanced data channel radio network temporary identifier (E-RNTI) in a MAC-i header 0 in the data packet.
  • MAC-i header Media Access Control message header
  • E-RNTI enhanced data channel radio network temporary identifier
  • the data packet further includes a user identifier of the UE, or the data packet further includes a user identifier of the UE and a type of the user identifier.
  • the user identifier is a universal mobile telecommunications system terrestrial radio access network radio network temporary identifier (U-RNTI), or a cell radio network temporary identifier (C-RNTI), or an IMSI, or a TMSI.
  • U-RNTI universal mobile telecommunications system terrestrial radio access network radio network temporary identifier
  • C-RNTI cell radio network temporary identifier
  • IMSI IMSI
  • TMSI TMSI
  • the user identifier is carried in a MAC-d header, or a MAC-c header, or a MAC-i header.
  • the UE further includes: a receiver, configured to, before the access information is sent to the base station to acquire the transmission resource, receive a paging message sent from an RNC, where the paging message includes a third fast transmission indication, and the third fast transmission indication is used to trigger the UE to use the fast transmission procedure to perform the data transmission.
  • the third fast transmission indication is included in a paging cause field of the paging message or included in an H-RNTI corresponding to the paging message.
  • the receiver is further configured to: after the data packet is sent to the base station by using the transmission resource, receive a downlink data packet that is sent from the RNC by using the base station, where the downlink data packet includes the user identifier of the UE.
  • the user identifier included in the downlink data packet is carried in the MAC-d header or the MAC-c header.
  • the receiver is specifically configured to: receive, by using an HS-DSCH, the downlink data packet sent from the RNC to the UE, where the user identifier is carried in the MAC-d header or the MAC-c header, or carried in a MAC-ehs header.
  • the receiver is further configured to: before the data packet is sent to the base station by using the transmission resource, receive a system information block (SIB) message sent from the RNC, where the SIB message carries bearer configuration information of the data transmission; where the transmitter is specifically configured to: send the data packet to the base station according to the bearer configuration information by using the transmission resource.
  • SIB system information block
  • the receiver is further configured to: after the data packet is sent to the base station by using the transmission resource, receive a synchronization message that is sent from the RNC by using the base station, and release a data transmission bearer according to the synchronization message.
  • UE sends access information or a data packet to a base station, where the access information or the data packet carries a first fast transmission indication, so that the base station identifies that the UE sends the data packet in a fast transmission manner; and the data packet carries a second fast transmission indication when the base station sends the data packet to an RNC, so that the RNC determines that the data packet is sent in the fast transmission manner, and the data packet is received according to a fast transmission procedure.
  • Network element entities involved in the embodiments of the present invention area base station, a radio network controller (RNC) or a base station controller (Base Station Controller, BSC for short), and user equipment (UE), where the UE may be any terminal device that has a radio communications function, for example, a mobile phone, a smartphone, a notebook computer, or a card-reading device.
  • RNC radio network controller
  • BSC Base Station Controller
  • UE user equipment
  • a method in the embodiments of the present invention may be applied to various types of communications systems, such as a Global System for Mobile Communications (Global System for Mobile communications, GSM for short), Code Division Multiple Access (Code Division Multiple Access, CDMA for short), Wideband Code Division Multiple Access (Wideband Code Division Multiple Access, WCDMA for short), a Universal Mobile Telecommunications System (Universal Mobile Telecommunications System, UMTS for short), and Long Term Evolution (Long Term Evolution, LTE for short).
  • Global System for Mobile Communications Global System for Mobile communications, GSM for short
  • Code Division Multiple Access Code Division Multiple Access
  • CDMA Code Division Multiple Access
  • Wideband Code Division Multiple Access Wideband Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • Universal Mobile Telecommunications System Universal Mobile Telecommunications System
  • UMTS Universal Mobile Telecommunications System
  • LTE Long Term Evolution
  • FIG. 1 is a flowchart of Embodiment 1 of a data transmission method according to the present invention, and an execution body in this embodiment is a base station. As shown in FIG. 1 , the method in this embodiment may include:
  • the fast transmission procedure refers to a procedure for fast transmitting a data packet.
  • it is unnecessary to establish, by means of interaction of multiple pieces of signaling, a data transmission channel among the UE, the base station, and the RNC to transmit the data packet; instead, the data packet is directly sent, and the second fast transmission indication and a first fast transmission indication that is in a subsequent embodiment are used to indicate that the fast data transmission procedure is used to transmit the data packet.
  • the data packet sent from the base station to the RNC includes the second fast transmission indication, which is used for the RNC to determine that the data packet is sent in a fast transmission manner, and optionally, may also be used to trigger the RNC to activate or establish a transmission bearer corresponding to the data packet transmission.
  • a common data transmission process is that a data transmission channel is established among the UE, the base station, and the RNC by using multiple pieces of control plane signaling and multiple pieces of user plane signaling, and data is transmitted through the data transmission channel.
  • the base station and the RNC transmit the data in the fast transmission manner.
  • the fast transmission manner is particularly applicable to a scenario of transmitting a small data packet.
  • the data packet sent from the base station to the RNC carries the second fast transmission indication, so that the RNC determines that the data packet is sent in the fast transmission manner; optionally, the second fast transmission indication may also trigger the RNC to activate or establish the transmission bearer corresponding to the data packet transmission.
  • the second fast transmission indication may also trigger the RNC to activate or establish the transmission bearer corresponding to the data packet transmission.
  • the data packet sent from the UE and received by the base station in step 101 may include the first fast transmission indication, or access information sent from the UE and received by the base station before step 101 may include the first fast transmission indication.
  • the base station may determine, according to the first fast transmission indication, that the UE sends data in the fast transmission manner, so as to carry the second fast transmission indication in the data packet sent to the RNC.
  • the method in this embodiment may be used to transmit multiple data packets.
  • the foregoing second fast transmission indication and first fast transmission indication may be carried in a first data packet when the first data packet is transmitted.
  • the second fast transmission indication and the first fast transmission indication may no longer be carried in a subsequent data packet transmission process.
  • the method before the base station receives the data packet sent from the UE in step 101, the method further includes: receiving, by the base station, access information sent from the UE, where the access information includes a first fast transmission indication, and the first fast transmission indication is used to indicate that the UE performs data transmission by using the fast transmission procedure.
  • the first fast transmission indication includes at least one of an access signature, PRACH channelization code, and an access timeslot.
  • that the base station receives a data packet sent from UE in step 101 may include: receiving, by the base station, a data packet that is sent from the UE and that includes a first fast transmission indication, where the first fast transmission indication is used to indicate that the UE performs data transmission by using the fast transmission procedure.
  • the first fast transmission indication may be spare bits spare bits in a Media Access Control (Media Access Control, MAC for short) message header (message header) MAC-i header 0 in the data packet; for example, that the spare bits are non-0000 values is used to indicate that the data packet is sent in the fast transmission manner.
  • Media Access Control Media Access Control, MAC for short
  • message header message header
  • MAC-i header 0 message header
  • the first fast transmission indication may be an enhanced data channel (Enhanced Data Channel, E-DCH for short) radio network temporary identifier (E-DCH Radio Network Temporary Identity, E-RNTI for short) in the MAC-i header 0 in the data packet, where the E-RNTI is used only when the UE uses the fast transmission procedure; for example, for an E-RNTI that is configured on a network side and that is used for small data packet transmission or is used in an MTC related service, information about this identifier may be delivered on the network side by using a system broadcast message.
  • the UE may further use a manner of excluding the MAC-i header 0 to indicate that the data packet is sent in the fast transmission manner.
  • the UE In a conflict detection process after the UE obtains by contention an uplink data sending resource, the UE includes the MAC-i header 0 in a data packet header; therefore, it may be agreed on that when the UE uses the fast transmission procedure, the UE does not need to include the MAC-i header 0 in the data packet header.
  • the base station determines that the UE sends the data packet in the fast transmission manner.
  • the base station sends the data packet to an RNC, where the data packet includes a second fast transmission indication in step 102 may include: sending, by the base station, a random access channel (Random Access Channel, RACH for short) data frame to the RNC, where the second fast transmission indication is a transmission manner identifier (for example, Transmission Mode Indicator) included in the RACH DATA FRAME, which is used to indicate whether the fast transmission manner is used, where for example, for a 1-bit (Bit) Transmission Mode Indicator, when the indicator is 1, it indicates that the data packet is sent in the fast transmission manner; or sending, by the base station, an enhanced data channel (Enhanced Data Channel, E-DCH for short) DATA FRAME to the RNC, where the second fast transmission indication is a resource identifier and/or a transmission manner identifier that are/is included in the E-DCH DATA FRAME, or an E-RNTI corresponding to the fast transmission manner and in the E-DCH DATA FRAME, or an E-
  • Manner 1 The base station adds indication information of a transmission manner of the data packet into the E-DCH DATA FRAME; for example, for a 1-bit Transmission Mode Indicator, when the indicator is 1, it indicates that the data packet is sent in the fast transmission manner.
  • the base station indicates a transmission manner of the data packet by using an E-RNTI field in the E-DCH DATA FRAME; for example, the E-RNTI may be an E-RNTI configured for specially identifying the transmission manner, or may be an E-RNTI corresponding to a transmission resource, or may be a corresponding E-RNTI in MAC-i header 0.
  • the base station identifies a transmission manner of the data packet by using an E-RNTI and a data packet type that are in the E-DCH DATA FRAME; for example, the data packet received by the RNC is a dedicated transmission channel (Dedicated Transmission Channel, DTCH for short) data packet or a dedicated control channel (Dedicated Control Channel, DCCH for short) data packet, and at the same time, if an E-RNTI in the data packet is a new E-RNTI, it indicates that the data packet is sent in the fast transmission manner.
  • a dedicated transmission channel Dedicated Transmission Channel, DTCH for short
  • DCCH dedicated Control Channel
  • Manner 4 The base station adds a resource identifier corresponding to the data packet transmission or adds indication information of a transmission manner of the data packet and a resource identifier corresponding to the data packet transmission into the E-DCH DATA FRAME, and indicates, by using the resource identifier or by using the resource identifier and the indication information of the transmission manner of the data packet, that the data packet is sent in the fast transmission manner.
  • the foregoing RACH DATA FRAME corresponds to a manner of sending, by the UE, the data packet by using a PRACH channel
  • the E-DCH DATA FRAME corresponds to a manner of sending, by the UE, the data packet by using an E-DPDCH channel.
  • the second fast transmission indication may also perform indication in another manner; correspondingly, the base station may also identify, in another manner, whether the data packet is sent in the fast transmission manner, which is not limited in this embodiment of the present invention.
  • the method may further include: forwarding, by the base station, a paging message from the RNC to the UE, where the paging message includes a third fast transmission indication, and the third fast transmission indication is used to trigger the UE to use the fast transmission procedure to perform the data transmission.
  • the third fast transmission indication may be included in a paging cause field of the paging message or included in a high-speed downlink shared channel (High-Speed Downlink Shared Channel, HS-DSCH for short)radio network temporary identifier (HS-DSCH Radio Network Temporary Identity, H-RNTI for short) corresponding to the paging message.
  • the H-RNTI is configured on a network side to trigger the UE to perform the fast transmission procedure; for example, the H-RNTI is included in a system broadcast message and sent to the UE.
  • a NodeB sends the paging message to the UE, if an HS-SCCH uses the H-RNTI for masking, the fast transmission procedure of the UE is triggered.
  • a message that carries the third fast transmission indication may also be any downlink message that can trigger the fast transmission procedure of the UE or any downlink data packet. That the third fast transmission indication is the H-RNTI is merely an example, and the third fast transmission indication may also be another user identifier or transmission manner identifier used for identifying the transmission manner.
  • FIG. 2 is a flowchart of Embodiment 2 of a data transmission method according to the present invention, and an execution body in this embodiment is an RNC. As shown in FIG. 2 , the method in this embodiment may include:
  • the second fast transmission indication may also be used to trigger the RNC to activate or establish a transmission bearer corresponding to the data packet transmission.
  • Step 202 The RNC establishes or activates a data transmission bearer.
  • a transmission bearer for example, radio link control (Radio Link Control, RLC for short) that is of the RNC and is dedicated for sending the data packet of the UE is not established
  • the RNC establishes the transmission bearer in step 201; if the transmission bearer dedicated for the UE has been established but has not been activated, the RNC only needs to activate the transmission bearer in step 201.
  • RLC Radio Link Control
  • the data transmission method in this embodiment may be used to transmit multiple data packets.
  • step 202 may not be performed any more in a subsequent data packet transmission process, and the second fast transmission indication may no longer be carried in the subsequent data packet transmission process, either.
  • a common data transmission process is that a transmission channel is established among the UE, the base station, and the RNC by using multiple pieces of control plane signaling and multiple pieces of user plane signaling, and data is transmitted through the data transmission channel.
  • the RNC by using a manner in which the second fast transmission indication is carried in a process in which the base station forwards the data packet from the UE, the RNC is notified that the data packet is transmitted in a fast transmission manner.
  • the fast transmission manner is particularly applicable to a scenario of transmitting a small data packet.
  • an RNC receives a data packet that is sent from a base station and carries a second fast transmission indication, and identifies that the data packet is sent in a fast transmission manner, so as to activate or establish a transmission bearer corresponding to the data packet, that is, receive the data packet according to a fast transmission procedure.
  • a process of establishing a data transmission channel by using multiple pieces of user plane signaling can be avoided, thereby simplifying a data transmission procedure and improving data transmission efficiency.
  • Manner 1 The base station adds indication information of a transmission manner of the data packet into the E-DCH DATA FRAME; for example, for a 1-bit Transmission Mode Indicator, when the indicator is 1, it indicates that the data packet is sent in the fast transmission manner.
  • the base station indicates a transmission manner of the data packet by using an E-RNTI field in the E-DCH DATA FRAME; for example, the E-RNTI may be an E-RNTI configured for specially identifying the transmission manner, or may be an E-RNTI corresponding to a transmission resource, or may be a corresponding E-RNTI in a MAC-i header 0.
  • the base station identifies a transmission manner of the data packet by using an E-RNTI and a data packet type that are in the E-DCH DATA FRAME; for example, the data packet received by the RNC is a dedicated transmission channel (Dedicated Transmission Channel, DTCH for short) data packet or a dedicated control channel (Dedicated Control Channel, DCCH for short) data packet, and at the same time, if an E-RNTI in the data packet is a new E-RNTI, it indicates that the data packet is sent in the fast transmission manner.
  • a dedicated transmission channel Dedicated Transmission Channel, DTCH for short
  • DCCH dedicated Control Channel
  • Manner 4 The base station adds a resource identifier corresponding to the data packet transmission or adds indication information of a transmission manner of the data packet and a resource identifier corresponding to the data packet transmission into the E-DCH DATA FRAME, and indicates, by using the resource identifier or by using the resource identifier and the indication information of the transmission manner of the data packet, that the data packet is sent in the fast transmission manner.
  • the foregoing RACH DATA FRAME corresponds to a manner of sending, by the UE, the data packet by using a PRACH channel
  • the E-DCH DATA FRAME corresponds to a manner of sending, by the UE, the data packet by using an E-DPDCH channel.
  • the second fast transmission indication may also perform indication in another manner; correspondingly, the base station may also identify, in another manner, whether the data packet is sent in the fast transmission manner, which is not limited in this embodiment of the present invention.
  • the data packet may further include a user identifier of the UE, or the data packet may further include a user identifier of the UE and a type of the user identifier.
  • the user identifier may be a Universal Mobile Telecommunications System (Universal Mobile Telecommunication System, UMTS for short) Terrestrial Radio Access Network (UMTS Terrestrial Radio Access Network, UTRAN for short) radio network temporary identifier (UTRAN Radio Network Temporary Identity, U-RNTI for short), or a cell radio network temporary identifier (Cell Radio Network Temporary Identity, C-RNTI for short), or an International mobile subscriber identity (International Mobile Subscriber Identity, IMSI for short), or a temporary mobile subscriber identity (Temporary Mobile Subscriber Identity, TMSI for short).
  • Universal Mobile Telecommunications System Universal Mobile Telecommunication System, UMTS for short
  • UMTS Terrestrial Radio Access Network UTRAN for short
  • radio network temporary identifier UTRAN Radio Network Temporary Identity, U-RNTI for short
  • C-RNTI Cell Radio Network Temporary Identity
  • IMSI International Mobile Subscriber Identity
  • TMSI Temporary Mobile Subscriber Identity
  • the user identifier may also use an identifier that is in another form or of another type and can enable a recipient to identify a user, for example, an identifier newly introduced to identify the fast transmission manner,.
  • This embodiment of the present invention constitutes no limitation on a specific form of the user identifier.
  • the user identifier, or the user identifier and the type of the user identifier may be carried in a MAC-d header, or a MAC-c header, or a MAC-i header.
  • the RNC may distinguish, by using an identifier in a MAC header, UE corresponding to the data packet.
  • a MAC header of the data packet includes two fields, that is, a user identifier type (UE-ID type) field and a user identifier (UE-ID) field.
  • UE-ID type user identifier type
  • UE-ID user identifier
  • the U-RNTI or the C-RNTI of the UE may be filled in the UE-ID field.
  • the user identifier type of the UE may be filled in the UE-ID type field, and the user identifier of the UE may be filled in the UE-ID field.
  • the user identifier when the user identifier is included in the MAC-i header, the user identifier may be an identifier generated by the UE, for example, a random number generated by the UE.
  • the user identifier may also be included in the data packet sent from the UE to the RNC; for example, the user identifier is used as content of the data packet sent from the UE to the RNC.
  • the foregoing method for sending, by the UE, the uplink data packet to the RNC, and including, in the uplink data packet, the user identifier of the UE or the user identifier of the UE and the identifier type may be independently applied to a scenario of sending, by the UE, the uplink data packet to the RNC.
  • the method may be used in a scenario in which data transmission is performed by using the fast transmission procedure, or may be applied to a scenario in which data transmission is performed by using a common procedure or another data transmission procedure.
  • the method may further include: sending, by the RNC, a paging message to the UE, where the paging message includes a third fast transmission indication, and the third fast transmission indication is used to trigger the UE to use the fast transmission procedure to perform the data transmission.
  • the fast transmission indication may be included in a paging cause field of the paging message, or may be included in an H-RNTI corresponding to the paging message, where the H-RNTI is configured on a network side to trigger the UE to perform the fast transmission procedure; for example, the H-RNTI is included in a system broadcast message and sent to the UE.
  • the fast transmission procedure of the UE is triggered.
  • a message that carries the third fast transmission indication may also be any downlink message that can trigger the fast transmission procedure of the UE or any downlink data packet. That the third fast transmission indication is the H-RNTI is merely an example, and the third fast transmission indication may also be another user identifier or transmission manner identifier used for identifying the transmission manner.
  • the method may further include: sending, by the RNC, a downlink data packet to the UE, where the downlink data packet includes the user identifier of the UE.
  • the downlink data packet may include feedback information that is sent from the RNC to the UE and is dedicated for the uplink data packet sent from the UE, or a data packet sent from the network side to the UE.
  • the uplink data packet sent from the UE is sent in an RLC-acknowledge mode (RLC-Acknowledge Mode, RLC-AM for short).
  • RLC-Acknowledge Mode RLC-AM for short.
  • the RNC detects, at an RLC layer, whether the uplink data packet is correct, and sends feedback information of the RLC layer to the UE according to a preset rule, for example, according to a specified time period.
  • the user identifier included in the downlink data packet may be carried in a MAC-d header or a MAC-c header.
  • the RNC may add the user identifier (UE-ID) field into a MAC-d header or a MAC-c header of the downlink data packet sent to the UE, and optionally, may add the user identifier type (UE-ID type) field.
  • the RNC may use, in a high-speed signaling control channel (High-Speed Signaling Control Channel, HS-SCCH for short), a special HS-DSCH radio network temporary identifier (Special HS-DSCH Radio Network Temporary Identity, H-RNTI for short) to perform masking.
  • the user identifier may be further carried in a MAC-ehs header.
  • the RNC may also use, in the HS-SCCH, the special H-RNTI to perform masking.
  • the special H-RNTI may be an H-RNTI configured for UE that sends a data packet in the fast transmission manner.
  • the UE may determine that a MAC-d header or a MAC-d header in a data packet subsequently received through an HS-PDSCH channel includes an identifier of the UE, or a MAC-ehs header includes the identifier of the UE.
  • the user identifier may be further carried in the HS-SCCH.
  • the user identifier may be a random number generated and reported by the UE to the network side. For example, when sending uplink data, the UE generates a 24-digit random number, and the random number is included in a MAC-i header and sent to the base station.
  • the base station may use the foregoing random number or a value derived from the foregoing random number as the identifier of the UE so as to perform masking on the HS-SCCH.
  • the special H-RNTI may be an H-RNTI configured for UE that sends a data packet in the fast transmission manner.
  • the UE may determine that a MAC-d header or a MAC-c header in a data packet subsequently received through an HS-PDSCH channel includes an identifier of the UE, or a MAC-ehs header includes an identifier of the UE.
  • the foregoing method for sending, by the RNC, the downlink data packet to the UE, and including, in the downlink data packet, the user identifier of the UE or the user identifier of the UE and the identifier type may be independently applied to a scenario of sending, by the RNC, the downlink data packet to the UE.
  • the method may be used in a scenario in which data transmission is performed by using the fast transmission procedure, or may be applied to a scenario in which data transmission is performed by using a common procedure or another data transmission procedure.
  • the method may further include: sending, by the RNC, a system information block (SIB) message to the UE, where the SIB message carries bearer configuration information of the data transmission, so that the UE sends the data packet to the base station according to the bearer configuration information.
  • SIB system information block
  • the method may further include: sending, by the RNC, a synchronization message to the UE, so that the UE releases the data transmission bearer according to the synchronization message.
  • FIG. 3 is a flowchart of Embodiment 3 of a data transmission method according to the present invention, and an execution body in this embodiment is UE.
  • the method in this embodiment may include:
  • the access information or the data packet includes a first fast transmission indication, so that the base station determines, according to the first fast transmission indication, that the UE performs data transmission by using a fast transmission procedure.
  • this embodiment includes two parallel methods, where method 1 is that the first fast transmission indication is carried in the access information in step 1, and method 2 is that the first fast transmission indication is carried in the data packet in step 2; for ease of description, method 1 is used as an example for description in FIG. 3 .
  • the method in this embodiment may include:
  • the base station When receiving the data packet sent from the UE, the base station sends the data packet to an RNC, and includes a second fast transmission indication in the data packet, so that the RNC determines that the data packet is sent in a fast transmission manner.
  • the UE sends a data packet to the base station by using the transmission resource may be that the UE sends multiple data packets.
  • the first fast transmission indication is carried in the data packet in step 2.
  • the first fast transmission indication may be carried in a first data packet, and the first fast transmission indication may no longer be carried in a subsequent data packet.
  • a common data transmission process is that a data transmission channel is established among the UE, the base station, and the RNC by using multiple pieces of control plane signaling and multiple pieces of user plane signaling, and data is transmitted through the data transmission channel.
  • the UE carries the first fast transmission indication in the transmission process, so that the base station determines that the UE transmits data in the fast transmission manner.
  • the fast transmission manner is particularly applicable to a scenario of transmitting a small data packet.
  • access information or a data packet sent from UE to a base station includes a first fast transmission indication, so that the base station determines, according to the fast transmission indication, that the UE performs data transmission by using a fast transmission procedure; and the data packet carries a second fast transmission indication when the base station sends the data packet to an RNC, so that the RNC determines that the data packet is sent in a fast transmission manner.
  • the first fast transmission indication included in the access information may include: at least one of an access signature, PRACH channelization code, and an access timeslot.
  • the first fast transmission indication included in the data packet may include: spare bits spare bits in a Media Access Control message header (MAC-i header) 0 in the data packet, where for example, that the spare bits are non-0000 values is used to indicate that the data packet is sent in the fast transmission manner; or an enhanced data channel radio network temporary identifier (E-RNTI) in a MAC-i header 0 in the data packet, where the E-RNTI is used only when the UE uses the fast transmission procedure, where for example, for an E-RNTI that is configured on a network side and is used for small data packet transmission or is used in an MTC related service, information about this identifier may be delivered on the network side by using a system broadcast message.
  • MAC-i header Media Access Control message header
  • E-RNTI enhanced data channel radio network temporary identifier
  • the UE may further use a manner of excluding the MAC-i header 0 to indicate that the data packet is sent in the fast transmission manner.
  • the UE includes the MAC-i header 0 in a data packet header; therefore, it may be constrained that when the UE uses the fast transmission procedure, the UE does not need to include the MAC-i header 0 in the data packet header.
  • the base station determines that the UE sends the data packet in the fast transmission manner.
  • the data packet in the foregoing embodiment may further include a user identifier of the UE, or the data packet may further include a user identifier of the UE and a type of the user identifier.
  • the user identifier may be a U-RNTI, or a C-RNTI, or an IMSI, or a TMSI.
  • the user identifier may also use an identifier that is in another form or of another type and can enable a recipient to identify a user, for example, a newly introduced identifier used in the fast transmission manner.
  • This embodiment of the present invention constitutes no limitation on a specific form of the user identifier.
  • the user identifier, or the user identifier and the type of the user identifier may be carried in a MAC-d header, or a MAC-c header, or a MAC-i header.
  • the RNC may distinguish, by using an identifier in a MAC header, UE corresponding to the data packet.
  • a MAC header of the data packet includes two fields, that is, a user identifier type (UE-ID type) field and a user identifier (UE-ID) field.
  • UE-ID type user identifier type
  • UE-ID user identifier
  • the U-RNTI or the C-RNTI of the UE may be filled in the UE-ID field.
  • the user identifier type of the UE may be filled in the UE-ID type field, and the user identifier of the UE is filled in the UE-ID field.
  • the user identifier may also be included in the data packet sent from the UE to the RNC; for example, the user identifier is used as content of the data packet sent from the UE to the RNC.
  • the foregoing method for sending, by the UE, the uplink data packet to the RNC, and including, in the uplink data packet, the user identifier of the UE or the user identifier of the UE and the identifier type may be independently applied to a scenario of sending, by the UE, the uplink data packet to the RNC.
  • the method may be used in a scenario in which data transmission is performed by using the fast transmission procedure, or may be applied to a scenario in which data transmission is performed by using a common procedure or another data transmission procedure.
  • the method may further include: receiving, by the UE, a paging message sent from an RNC, where the paging message includes a third fast transmission indication, and the third fast transmission indication is used to trigger the UE to use the fast transmission procedure to perform the data transmission.
  • the third fast transmission indication may be included in a paging cause field of the paging message, or may be included in an H-RNTI corresponding to the paging message, where the H-RNTI is configured on a network side to trigger the UE to perform the fast transmission procedure, for example, the H-RNTI is included in a system broadcast message and sent to the UE.
  • the H-RNTI is included in a system broadcast message and sent to the UE.
  • a message that carries the third fast transmission indication may also be any downlink message that can trigger the fast transmission procedure of the UE or any downlink data packet. That the third fast transmission indication is the H-RNTI is merely an example, and the third fast transmission indication may also be another user identifier or transmission manner identifier used for identifying the transmission manner.
  • the method may further include: receiving, by the UE, a downlink data packet that is sent from the RNC by using the base station, where the downlink data packet includes the user identifier of the UE.
  • the downlink data packet may include feedback information that is sent from the RNC to the UE and is dedicated for the uplink data packet sent from the UE, or a data packet sent from the network side to the UE.
  • the uplink data packet sent from the UE is sent in an RLC-acknowledge (RLC-AM) mode.
  • RLC-AM RLC-acknowledge
  • the RNC detects, at an RLC layer, whether the uplink data packet is correct, and sends feedback information of the RLC layer to the UE according to a preset rule, for example, according to a specified time period.
  • the user identifier included in the downlink data packet may be carried in a MAC-d header or a MAC-c header.
  • the RNC may add the user identifier (UE-ID) field into a MAC-d header or a MAC-c header of the downlink data packet sent to the UE, and optionally, may add the user identifier type (UE-ID type) field.
  • the RNC may use, in a high-speed signaling control channel (High-Speed Signaling Control Channel, HS-SCCH for short), a special HS-DSCH radio network temporary identifier (special HS-DSCH Radio Network Temporary Identity, H-RNTI for short) to perform masking.
  • a high-speed signaling control channel High-Speed Signaling Control Channel, HS-SCCH for short
  • a special HS-DSCH radio network temporary identifier special HS-DSCH Radio Network Temporary Identity, H-RNTI for short
  • the user identifier may be further carried in a MAC-ehs header.
  • the RNC may also use, in the HS-SCCH, the special H-RNTI to perform masking.
  • the special H-RNTI may be an H-RNTI configured for UE that sends a data packet in the fast transmission manner.
  • the UE may determine that a MAC-d header or a MAC-d header in a data packet subsequently received through an HS-PDSCH channel includes an identifier of the UE, or a MAC-ehs header includes the identifier of the UE.
  • the user identifier may be further carried in the HS-SCCH.
  • the user identifier may be a random number generated and reported by the UE to the network side. For example, when sending uplink data, the UE generates a 24-digit random number, and the random number is included in a MAC-i header and sent to the base station.
  • the base station may use the foregoing random number or a value derived from the foregoing random number as the identifier of the UE so as to perform masking on the HS-SCCH.
  • the foregoing method for sending, by the RNC, the downlink data packet to the UE, and including, in the downlink data packet, the user identifier of the UE or the user identifier of the UE and the identifier type may be independently applied to a scenario of sending, by the RNC, the downlink data packet to the UE.
  • the method may be used in a scenario in which data transmission is performed by using the fast transmission procedure, or may be applied to a scenario in which data transmission is performed by using a common procedure or another data transmission procedure.
  • the method may further include: receiving, by the UE, a system information block (SIB) message sent from the RNC, where the SIB message carries bearer configuration information of the data transmission.
  • SIB system information block
  • that the UE sends a data packet to the base station by using the transmission resource may include: sending, by the UE, the data packet to the base station according to the bearer configuration information by using the transmission resource.
  • the method may further include: receiving, by the UE, a synchronization message that is sent from the RNC by using the base station, and releasing a data transmission bearer according to the synchronization message.
  • FIG. 4 is a signaling flowchart of Embodiment 4 of a data packet transmission method according to the present invention. As shown in FIG. 4 , the method in this embodiment may include:
  • step 401 is activating the data transmission bearer. If the UE has not established a data transmission bearer before this, then before step 401, the UE may further read bearer configuration information, for example, signaling radio bearer (Signaling Radio Bearer, SRB for short) or traffic radio bearer (Traffic Radio Bearer, TRB for short) information, in a system information block (System Info Block, SIB for short) message, and step 401 is establishing a data transmission bearer according to the bearer configuration information.
  • bearer configuration information for example, signaling radio bearer (Signaling Radio Bearer, SRB for short) or traffic radio bearer (Traffic Radio Bearer, TRB for short) information, in a system information block (System Info Block, SIB for short) message, and step 401 is establishing a data transmission bearer according to the bearer configuration information.
  • SIB System Info Block
  • an SIB message saved by the UE is a latest SIB message of a current cell, the UE does not need to acquire the information again; if the SIB message saved by the UE is not the latest SIB message, the UE needs to acquire the SIB message again before data transmission. For example, when a processing function of the UE on the SIB message is set to non-real-time update of the SIB message, the UE needs to acquire the SIB message again before sending uplink data.
  • a processing function of the UE on the SIB message is set to non-real-time update of the SIB message, the UE needs to acquire the SIB message again before sending uplink data.
  • a type of the UE for example, UE of a terminal device that executes a service of a longer period such as intelligent metering, only a part of necessary SIB messages, for example, SIB1 and SIB5, may need to be acquired.
  • Step 402 The UE sends access information to a base station to acquire a transmission resource.
  • the resource acquired by the UE may be a legacy physical access channel (Legacy Physical Random Access Channel, Legacy PRACH for short) or a common enhanced-data channel (Common Enhanced-Data Channel, Common E-DCH for short).
  • Legacy Physical Random Access Channel Legacy PRACH for short
  • common enhanced-data channel Common E-DCH for short
  • Step 403 The UE sends a data packet to the base station by using the acquired resource.
  • a first fast transmission indication needs to be carried in at least one step of the foregoing step 402 and step 403, that is, the access information or the data packet includes the first fast transmission indication, so that the base station performs data transmission according to the first fast transmission indication by using a fast transmission procedure.
  • the access information in step 402 includes the first fast transmission indication.
  • the first fast transmission indication included in the access information may include at least one of an access signature, PRACH channelization code, and an access timeslot.
  • the base station when receiving the access information, identifies, by using the access signature and/or the PRACH channelization code and/or the access timeslot that are/is in the access information sent from the UE, whether the UE transmits the data packet in a fast transmission manner.
  • This implementation manner is applicable to a scenario in which the transmission resource acquired by the UE is either the Legacy PRACH or the Common E-DCH.
  • the data packet in step 403 includes the first fast transmission indication.
  • the first fast transmission indication included in the data packet may include: spare bits spare bits in a Media Access Control message header (MAC-i header) 0 in the data packet, where for example, that the spare bits are non-0000 values is used to indicate that the UE sends the data packet in the fast transmission manner; or an enhanced data channel radio network temporary identifier (E-RNTI) in a MAC-i header 0 in the data packet.
  • E-RNTI enhanced data channel radio network temporary identifier
  • the E-RNTI is an E-RNTI dedicated for fast transmission of the data packet, it indicates that the UE sends the data packet in the fast transmission manner.
  • the E-RNTI is used only when the UE uses the fast transmission procedure; for example, for an E-RNTI that is configured on a network side and is used for small data packet transmission or is used in an MTC related service, information about this identifier may be delivered on the network side by using a system broadcast message.
  • the UE may further use a manner of excluding the MAC-i header 0 to indicate that the data packet is sent in the fast transmission manner.
  • the UE includes MAC-i header 0 in a data packet header to perform data transmission; therefore, it may be constrained that when the UE uses the fast transmission procedure, the UE does not need to include MAC-i header 0 in the data packet header.
  • the base station determines that the UE sends the data packet in the fast transmission manner.
  • This implementation manner is applicable to a scenario in which the transmission resource acquired by the UE is the Common E-DCH.
  • Step 404 The base station sends the data packet to an RNC according to the first fast transmission indication, where the data packet includes a second fast transmission indication, and the second fast transmission indication is used to indicate that a fast transmission procedure is used to perform data transmission of the data packet.
  • the base station After the base station identifies that the UE sends the data packet in the fast transmission manner, the base station sends the data packet to the RNC, and at the same time, the data packet carries the second fast transmission indication.
  • the following two implementation manners may be used:
  • Manner 1 The base station adds indication information of a transmission manner of the data packet into the E-DCH DATA FRAME; for example, for a 1-bit Transmission Mode Indicator, when the indicator is 1, it indicates that the data packet is sent in the fast transmission manner.
  • the base station indicates a transmission manner of the data packet by using an E-RNTI field in the E-DCH DATA FRAME; for example, the E-RNTI may be an E-RNTI configured for specially identifying the transmission manner, or may be an E-RNTI corresponding to the transmission resource, for example, a corresponding E-RNTI in MAC-i header 0; or the E-RNTI may be an identifier generated by the UE, for example, a random number generated by the UE or a value derived from the random number generated by the UE.
  • the base station identifies a transmission manner of the data packet by using an E-RNTI and a data packet type that are in the E-DCH DATA FRAME; for example, the data packet received by the RNC is a dedicated transmission channel (Dedicated Transmission Channel, DTCH for short) data packet or a dedicated control channel (Dedicated Control Channel, DCCH for short) data packet, and at the same time, if an E-RNTI in the data packet is a new E-RNTI, it indicates that the data packet is sent in the fast transmission manner.
  • a dedicated transmission channel Dedicated Transmission Channel, DTCH for short
  • DCCH dedicated Control Channel
  • Manner 4 The base station adds a resource identifier corresponding to the data packet transmission or adds indication information of a transmission manner of the data packet and a resource identifier corresponding to the data packet transmission into the E-DCH DATA FRAME, and indicates, by using the resource identifier or by using the resource identifier and the indication information of the transmission manner of the data packet, that the data packet is sent in the fast transmission manner.
  • the data packet may further include a user identifier of the UE, or the data packet further includes a user identifier of the UE and a type of the user identifier.
  • the user identifier may be a U-RNTI, or a C-RNTI, or an IMSI, or a TMSI.
  • the user identifier may also use an identifier that is in another form or of another type that can enable a recipient to identify a user, for example, a newly introduced identifier used in fast transmission.
  • This embodiment of the present invention constitutes no limitation on a specific form of the user identifier.
  • the user identifier, or the user identifier and the type of the user identifier may be carried in a MAC-d header, or a MAC-c header, or a MAC-i header.
  • the RNC may distinguish, by using an identifier in a MAC header, UE corresponding to the data packet.
  • a MAC header of the data packet includes two fields, that is, a user identifier type (UE-ID type) field and a user identifier (UE-ID) field.
  • UE-ID type user identifier type
  • UE-ID user identifier
  • the U-RNTI or the C-RNTI of the UE may be filled in the UE-ID field.
  • the user identifier type of the UE may be filled in the UE-ID type field, and the user identifier of the UE may be filled in the UE-ID field.
  • the user identifier may also be included in the data packet sent from the UE to the RNC; for example, the user identifier is used as content of the data packet sent from the UE to the RNC.
  • the foregoing method for sending, by the UE, the uplink data packet to the RNC, and including, in the uplink data packet, the user identifier of the UE or the user identifier of the UE and the identifier type may be independently applied to a scenario of sending, by the UE, the uplink data packet to the RNC.
  • the method may be used in a scenario in which data transmission is performed by using the fast transmission procedure, or may be applied to a scenario in which data transmission is performed by using a common procedure or another data transmission procedure.
  • Step 405 The RNC establishes or activates the data transmission bearer.
  • step 405 is establishing the data transmission bearer, for example, establishing a radio link control (Radio Link Control, RLC for short) entity; if the RNC has established a data transmission bearer dedicated for the UE before this but has not activated the data transmission bearer, step 405 is activating the data transmission bearer.
  • RLC Radio Link Control
  • Step 406 The RNC sends a downlink data packet to the UE, where the downlink data packet includes the user identifier of the UE.
  • the downlink data packet may include feedback information that is sent from the RNC to the UE and is dedicated for the uplink data packet sent from the UE, or a data packet sent from a network side to the UE.
  • the uplink data packet sent from the UE is sent in an RLC-acknowledge (RLC-AM) mode.
  • RLC-AM RLC-acknowledge
  • the RNC detects, at an RLC layer, whether the uplink data packet is correct, and sends feedback information of the RLC layer to the UE according to a preset rule, for example, according to a specified time period.
  • the user identifier included in the downlink data packet may be carried in a MAC-d header or a MAC-c header.
  • the RNC may add the user identifier (UE-ID) field into a MAC-d header or a MAC-c header of the downlink data packet sent to the UE, and optionally, may add the user identifier type (UE-ID type) field.
  • the RNC may use, in a high-speed signaling control channel (High-Speed Signaling Control Channel, HS-SCCH for short), a special HS-DSCH radio network temporary identifier (Special HS-DSCH Radio Network Temporary Identity, H-RNTI for short) to perform masking.
  • the user identifier may be further carried in a MAC-ehs header.
  • the RNC may also use, in the HS-SCCH, the special H-RNTI to perform masking.
  • the special H-RNTI may be an H-RNTI configured for UE that sends a data packet in the fast transmission manner.
  • the UE may determine that a MAC-d header or a MAC-d header in a data packet subsequently received through an HS-PDSCH channel includes an identifier of the UE, or a MAC-ehs header includes the identifier of the UE.
  • the user identifier may be further carried in the HS-SCCH.
  • the user identifier may be a random number generated and reported by the UE to the network side. For example, when sending uplink data, the UE generates a 24-digit random number, and the random number is included in a MAC-i header and sent to the base station.
  • the base station may use the foregoing random number or a value derived from the foregoing random number as the identifier of the UE so as to perform masking on the HS-SCCH.
  • the foregoing method for sending, by the RNC, the downlink data packet to the UE, and including, in the downlink data packet, the user identifier of the UE or the user identifier of the UE and the identifier type may be independently applied to a scenario of sending, by the RNC, the downlink data packet to the UE.
  • the method may be used in a scenario in which data transmission is performed by using the fast transmission procedure, or may be applied to a scenario in which data transmission is performed by using a common procedure or another data transmission procedure.
  • Step 407 The RNC sends a synchronization message to the UE, so that the UE releases the data transmission bearer according to the synchronization message.
  • the RNC may send the synchronization message to the UE, so that the UE releases the transmission resource.
  • UE sends access information or a data packet to a base station, where the access information or the data packet carries a first fast transmission indication, so that the base station identifies that the UE sends the data packet in a fast transmission manner; and the data packet carries a second fast transmission indication when the base station sends the data packet to an RNC, so that the RNC determines that the data packet is sent in the fast transmission manner, thereby receiving the data packet according to a fast transmission procedure.
  • the method in the foregoing embodiment may be used to transmit multiple data packets.
  • the foregoing first fast transmission indication and second fast transmission indication may be carried when a first data packet is transmitted. After the UE, the base station, and the RNC all confirm that the fast transmission manner is used, the first fast transmission indication and the second fast transmission indication may no longer be carried in a subsequent data packet transmission process.
  • the method may further include: sending, by the RNC, a paging message to the UE, where the paging message includes a third fast transmission indication, and the third fast transmission indication is used to trigger the UE to use the fast transmission procedure to perform the data transmission.
  • This implementation manner is sending, of an uplink data packet, triggered by a downlink data packet. That is, after receiving downlink data sent from the network side, the UE further performs data transmission in the fast transmission manner, where the downlink data packet herein mainly refers to the paging message.
  • This implementation manner is mainly applicable to a scenario in which the network side has a downlink data packet that needs to be sent to the UE.
  • the third fast transmission indication may be included in a paging cause (paging cause) field of the paging message or included in an H-RNTI corresponding to the paging message, where the H-RNTI is configured on the network side to trigger the UE to perform the fast transmission procedure; for example, the H-RNTI is included in a system broadcast message and sent to the UE.
  • the H-RNTI is included in a system broadcast message and sent to the UE.
  • a manner in which the third fast transmission indication is included in the H-RNTI corresponding to the paging message is mainly dedicated for UE that supports an enhanced cell_forward access channel (CELL_Forward Access Channel, CELL_FACH for short) feature.
  • the RNC may indicate, by using paging (paging) H-RNTI masking in the HS-SCCH, that the UE sends data in the fast transmission manner.
  • the paging H-RNTI herein is an H-RNTI used for paging.
  • bearer configuration information may be carried in the paging message, so that the UE establishes the data transmission bearer according to the bearer configuration information. Therefore, after receiving HS-SCCH masked by using the H-RNTI, the UE triggers execution of a transmission process following step 401 and step 402 in the foregoing embodiment.
  • a message that carries the third fast transmission indication may also be any downlink message that can trigger the fast transmission procedure of the UE or any downlink data packet. That the third fast transmission indication is the H-RNTI is merely an example, and the third fast transmission indication may also be another user identifier or transmission manner identifier used for identifying the transmission manner.
  • Embodiment 5 of a data transmission method UE sends a data packet to a network side, where the data packet includes a fourth fast transmission indication.
  • the fourth fast transmission indication may be included in the data packet. Specifically, the fourth fast transmission indication may be included in signaling that carries the data packet, for example, included in an RRC connection establishing request message or included in a cell update message.
  • the fourth fast transmission indication may be included in a header of the data packet, for example, may be included in a MAC-is header, a MAC-d header, or MAC-c header.
  • an RNC when receiving the data packet, identifies whether the data packet includes the fourth fast transmission indication; and if the data packet includes the fourth fast transmission indication, determines that the data packet is sent in a fast transmission manner.
  • a technical effect of this embodiment is that, a data packet sent from UE to a network side carries a fourth fast transmission indication, so that an RNC identifies that the data packet is sent in a fast transmission manner. In this way, a process of establishing a data transmission channel by using multiple pieces of user plane signaling can be avoided, thereby simplifying a data transmission procedure and improving data transmission efficiency.
  • both the E-RNTI and the H-RNTI may be identifiers generated by the UE; for example, a random number generated by the UE or a value derived from a random number generated by the UE.
  • FIG. 5 is a schematic structural diagram of Embodiment 1 of a data transmission apparatus according to the present invention, where a data transmission apparatus 500 in this embodiment may be disposed on a base station, or may be the base station itself.
  • the data transmission apparatus in this embodiment may include a receiving module 11 and a sending module 12.
  • the receiving module 11 may be configured to receive a data packet sent from user equipment (UE).
  • the sending module 12 may be configured to send the data packet to a radio network controller (RNC), where the data packet includes a second fast transmission indication, and the second fast transmission indication is used to indicate that a fast transmission procedure is used to perform data transmission of the data packet.
  • RNC radio network controller
  • the data transmission apparatus in this embodiment may be used to execute the technical solution in the method embodiment shown in FIG. 1 , and an implementation principle of the technical solution executed by a corresponding base station in the method embodiment shown in FIG. 4 is similar and is not described herein again.
  • a technical effect of the data transmission apparatus in this embodiment is that, a base station receives a data packet that is sent from UE and includes a first fast transmission indication, and sends the data packet to an RNC according to the first fast transmission indication in a fast transmission manner; at the same time, the data packet carries a second fast transmission indication, so that the RNC determines that the data packet is sent in the fast transmission manner.
  • a process of establishing a data transmission channel by using multiple pieces of user plane signaling can be avoided, thereby simplifying a data transmission procedure and improving data transmission efficiency.
  • the receiving module 11 may be further configured to: before receiving the data packet sent from the UE, receive access information sent from the UE, where the access information includes a first fast transmission indication, and the first fast transmission indication is used to indicate that the UE performs data transmission by using the fast transmission procedure.
  • the first fast transmission indication includes at least one of an access signature, PRACH channelization code, and an access timeslot.
  • the receiving module 11 may be specifically configured to: receive a data packet that is sent from the UE and includes the first fast transmission indication, where the first fast transmission indication is used to indicate that the UE performs data transmission by using the fast transmission procedure.
  • the first fast transmission indication may be spare bits spare bits in a Media Access Control message header (MAC-i header) 0 in the data packet or an enhanced data channel radio network temporary identifier (E-RNTI) in a MAC-i header 0 in the data packet.
  • the first fast transmission indication may be further indicated in a manner in which the data packet does not include MAC-i header 0.
  • the sending module 12 may be specifically configured to: send a random access channel (RACH) data frame to the RNC, where the second fast transmission indication is a transmission manner identifier included in the RACH DATA FRAME; or send an enhanced data channel (E-DCH) DATA FRAME to the RNC, where the second fast transmission indication is a resource identifier and/or a transmission manner identifier that are/is included in the E-DCH DATA FRAME, or an E-RNTI in the E-DCH DATA FRAME, or an E-RNTI and a data packet type flag that are in the E-DCH DATA FRAME.
  • RACH random access channel
  • E-DCH enhanced data channel
  • FIG. 6 is a schematic structural diagram of Embodiment 2 of a data transmission apparatus according to the present invention, where a data transmission apparatus 600 in this embodiment may be disposed on a base station, or may be the base station itself. As shown in FIG. 6 , based on the apparatus shown in FIG. 5 , the data transmission apparatus in this embodiment may further include a forwarding module 13.
  • the forwarding module 13 may be configured to, before the data packet sent from the UE is received, forward a paging message from the RNC to the UE, where the paging message includes a third fast transmission indication, and the third fast transmission indication is used to trigger the UE to use the fast transmission procedure to perform the data transmission.
  • the third fast transmission indication may be included in a paging cause field of the paging message or included in an H-RNTI corresponding to the paging message.
  • the data transmission apparatus in this embodiment may be used to execute the technical solution in the method embodiment shown in FIG. 1 , and an implementation principle and a technical effect of the technical solution executed by a corresponding base station in the method embodiment shown in FIG. 4 are similar and are not described herein again.
  • FIG. 7 is a schematic structural diagram of Embodiment 3 of a data transmission apparatus according to the present invention, where a data transmission apparatus 700 in this embodiment may be disposed on an RNC, or may be the RNC itself.
  • the data transmission apparatus in this embodiment may include a receiving module 21 and a bearer module 22.
  • the receiving module 21 may be configured to receive, by using a base station, a data packet sent from user equipment (UE), where the data packet includes a second fast transmission indication, and the second fast transmission indication is used to indicate that a fast transmission procedure is used to perform data transmission of the data packet.
  • the bearer module 22 may be configured to establish or activate a data transmission bearer.
  • the receiving module 21 may be specifically configured to: receive a random access channel (RACH) data frame sent from the base station, where the second fast transmission indication is a transmission manner identifier included in the RACH DATA FRAME; or receive an enhanced data channel (E-DCH) DATA FRAME sent from the base station, where the second fast transmission indication is a resource identifier and/or a transmission manner identifier that are/is included in the E-DCH DATA FRAME, or an E-RNTI included in the E-DCH DATA FRAME, or an E-RNTI and a data packet type identifier that are included in the E-DCH DATA FRAME.
  • RACH random access channel
  • E-DCH enhanced data channel
  • the data packet may further include a user identifier of the UE, or the data packet may further include a user identifier of the UE and a type of the user identifier.
  • the user identifier may be a U-RNTI, or a C-RNTI, or an IMSI, or a TMSI.
  • the user identifier may be carried in a MAC-d header, or a MAC-c header, or a MAC-i header.
  • the data transmission apparatus in this embodiment may be used to execute the technical solution in the method embodiment shown in FIG. 2 , and an implementation principle of the technical solution executed by a corresponding RNC in the method embodiment shown in FIG. 4 is similar and is not described herein again.
  • a technical effect of the data transmission apparatus in this embodiment is that, an RNC receives a data packet that is sent from a base station and carries a second fast transmission indication, and identifies that the data packet is sent in a fast transmission manner, so as to receive the data packet according to a fast transmission procedure. In this way, a process of establishing a data transmission channel by using multiple pieces of user plane signaling can be avoided, thereby simplifying a data transmission procedure and improving data transmission efficiency.
  • FIG. 8 is a schematic structural diagram of Embodiment 4 of a data transmission apparatus according to the present invention, where a data transmission apparatus 800 in this embodiment may be disposed on an RNC, or may be the RNC itself. As shown in FIG. 8 , based on the apparatus shown in FIG. 7 , the data transmission apparatus in this embodiment may further include a sending module 23.
  • the sending module 23 may be configured to, before the data packet sent from the UE is received, send a paging message to the UE, where the paging message includes a third fast transmission indication, and the third fast transmission indication is used to trigger the UE to use the fast transmission procedure to perform the data transmission.
  • the fast transmission indication may be included in a paging cause field of the paging message, or may be included in an H-RNTI corresponding to the paging message.
  • the sending module 23 may be further configured to: after the data packet sent from the UE is received, send a downlink data packet to the UE, where the downlink data packet includes the user identifier of the UE.
  • the user identifier included in the downlink data packet may be carried in a MAC-d header or a MAC-c header.
  • the sending module 23 may be specifically configured to:send the downlink data packet to the UE by using an HS-DSCH, where the user identifier is carried in the MAC-d header or the MAC-c header, or carried in a MAC-ehs header.
  • the sending module 23 may be further configured to: before the data packet sent from the UE is received, send a system information block (SIB) message to the UE, where the SIB message carries bearer configuration information of the data transmission, so that the UE sends the data packet to the base station according to the bearer configuration information.
  • SIB system information block
  • the sending module 23 may be further configured to: after the data packet sent from the user equipment (UE) is received, send a synchronization message to the UE, so that the UE releases the data transmission bearer according to the synchronization message.
  • UE user equipment
  • the data transmission apparatus in this embodiment may be used to execute the technical solution in the method embodiment shown in FIG. 2 and an implementation principle and a technical effect of the technical solution executed by a corresponding RNC in the method embodiment shown in FIG. 4 are similar and are not described herein again.
  • FIG. 9 is a schematic structural diagram of Embodiment 5 of a data transmission apparatus according to the present invention, where a data transmission apparatus 900 in this embodiment may be disposed on UE, or may be the UE itself.
  • the data transmission apparatus in this embodiment may include a resource acquiring module 31 and a sending module 32.
  • the resource acquiring module 31 may be configured to send access information to a base station to acquire a transmission resource.
  • the sending module 32 may be configured to send a data packet to the base station by using the transmission resource, where the access information or the data packet includes a first fast transmission indication, so that the base station determines, according to the first fast transmission indication, that the UE performs data transmission by using a fast transmission procedure.
  • the first fast transmission indication included in the access information may include: at least one of an access signature, PRACH channelization code, and an access timeslot.
  • the first fast transmission indication included in the data packet may include: spare bits spare bits in a Media Access Control message header (MAC-i header) 0 in the data packet or an enhanced data channel radio network temporary identifier (E-RNTI) in a MAC-i header 0 in the data packet.
  • MAC-i header Media Access Control message header
  • E-RNTI enhanced data channel radio network temporary identifier
  • the data packet may further include a user identifier of the UE, or the data packet may further include a user identifier of the UE and a type of the user identifier.
  • the user identifier may be a U-RNTI, or a C-RNTI, or an IMSI, or a TMSI.
  • the user identifier may be carried in a MAC-d header, or a MAC-c header, or a MAC-i header.
  • access information or a data packet sent from UE to a base station includes a first fast transmission indication, so that the base station determines, according to the fast transmission indication, that the UE performs data transmission by using a fast transmission procedure, so that the base station also sends the data packet to an RNC in a fast transmission manner.
  • FIG. 10 is a schematic structural diagram of Embodiment 6 of a data transmission apparatus according to the present invention, where a data transmission apparatus 1000 in this embodiment may be disposed on UE, or may be the UE itself. As shown in FIG. 10 , based on the apparatus shown in FIG. 9 , the data transmission apparatus in this embodiment may further include a receiving module 33.
  • the receiving module 33 may be configured to, before the access information is sent to the base station to acquire the transmission resource, receive a paging message sent from an RNC, where the paging message includes a third fast transmission indication, and the third fast transmission indication is used to trigger the UE to use the fast transmission procedure to perform the data transmission.
  • the third fast transmission indication may be included in a paging cause field of the paging message, or may be included in an H-RNTI corresponding to the paging message.
  • the receiving module 33 may be further configured to: after the data packet is sent to the base station by using the transmission resource, receive a downlink data packet that is sent from the RNC by using the base station, where the downlink data packet includes the user identifier of the UE.
  • the user identifier included in the downlink data packet may be carried in a MAC-d header or a MAC-c header.
  • the receiving module 33 may be specifically configured to: receive, by using an HS-DSCH, the downlink data packet sent from the RNC to the UE, where the user identifier is carried in the MAC-d header or the MAC-c header, or carried in a MAC-ehs header.
  • the receiving module 33 may be further configured to: before the data packet is sent to the base station by using the transmission resource, receive a system information block (SIB) message sent from the RNC, where the SIB message carries bearer configuration information of the data transmission.
  • SIB system information block
  • the sending module 32 may be specifically configured to: send the data packet to the base station according to the bearer configuration information by using the transmission resource.
  • the receiving module 33 may be further configured to: after the data packet is sent to the base station by using the transmission resource, receive a synchronization message that is sent from the RNC by using the base station, and release a data transmission bearer according to the synchronization message.
  • the data transmission apparatus in this embodiment may be used to execute the technical solution in the method embodiment shown in FIG. 3 and an implementation principle and a technical effect of the technical solution executed by a corresponding UE in the method embodiment shown in FIG. 4 are similar and are not described herein again.
  • FIG. 11 is a schematic structural diagram of Embodiment 1 of a base station according to the present invention.
  • a base station 1100 in this embodiment may include a receiver 1101 and a transmitter 1102.
  • the receiver 11 may be configured to receive a data packet sent from user equipment (UE).
  • the transmitter 12 may be configured to send the data packet to an RNC, where the data packet includes a second fast transmission indication, and the second fast transmission indication is used to indicate that a fast transmission procedure is used to perform data transmission of the data packet.
  • the receiver 1101 may be further configured to: before receiving the data packet sent from the UE, receive access information sent from the UE, where the access information includes a first fast transmission indication, and the first fast transmission indication is used to indicate that the UE performs data transmission by using the fast transmission procedure.
  • the first fast transmission indication includes at least one of an access signature, PRACH channelization code, and an access timeslot.
  • the receiver 1101 may be specifically configured to: receive a data packet that is sent from the UE and includes the first fast transmission indication, where the first fast transmission indication is used to indicate that the UE performs data transmission by using the fast transmission procedure.
  • the first fast transmission indication may be spare bits spare bits in a Media Access Control message header (MAC-i header) 0 in the data packet or an enhanced data channel radio network temporary identifier (E-RNTI) in a MAC-i header 0 in the data packet.
  • the first fast transmission indication may be further indicated in a manner in which the data packet does not include MAC-i header 0.
  • the transmitter 1102 may be specifically configured to: send a random access channel (RACH) data frame to the RNC, where the second fast transmission indication is a transmission manner identifier included in the RACH DATA FRAME; or send an enhanced data channel (E-DCH) DATA FRAME to the RNC, where the second fast transmission indication is a resource identifier and/or a transmission manner identifier that are/is included in the E-DCH DATA FRAME, or an E-RNTI in the E-DCH DATA FRAME, or an E-RNTI and a data packet type flag that are in the E-DCH DATA FRAME.
  • RACH random access channel
  • E-DCH enhanced data channel
  • the transmitter 1102 may be further configured to, before the data packet sent from the UE is received, forward a paging message from the RNC to the UE, where the paging message includes a third fast transmission indication, and the third fast transmission indication is used to trigger the UE to use the fast transmission procedure to perform the data transmission.
  • the third fast transmission indication may be included in a paging cause field of the paging message or included in an H-RNTI corresponding to the paging message.
  • the base station in this embodiment may be used to execute the technical solution in the method embodiment shown in FIG. 1 and an implementation principle of the technical solution executed by a corresponding base station in the method embodiment shown in FIG. 4 is similar and is not described herein again.
  • a technical effect of the base station in this embodiment is that, the base station receives a data packet that is sent from UE and includes a first fast transmission indication, and sends the data packet to an RNC according to the first fast transmission indication in a fast transmission manner; at the same time, the data packet carries a second fast transmission indication, so that the RNC determines that the data packet is sent in the fast transmission manner.
  • the base station receives a data packet that is sent from UE and includes a first fast transmission indication, and sends the data packet to an RNC according to the first fast transmission indication in a fast transmission manner; at the same time, the data packet carries a second fast transmission indication, so that the RNC determines that the data packet is sent in the fast transmission manner.
  • FIG. 12 is a schematic structural diagram of Embodiment 1 of an RNC according to the present invention.
  • an RNC 1200 in this embodiment may include a receiver 1201 and a processor 1202.
  • the receiver 1201 may be configured to receive, by using a base station, a data packet sent from user equipment (UE), where the data packet includes a second fast transmission indication, and the second fast transmission indication is used to indicate that a fast transmission procedure is used to perform data transmission of the data packet.
  • the processor 1202 may be configured to establish or activate a data transmission bearer.
  • the receiver 1201 may be specifically configured to: receive a random access channel (RACH) data frame sent from the base station, where the second fast transmission indication is a transmission manner identifier included in the RACH DATA FRAME; or receive an enhanced data channel (E-DCH) DATA FRAME sent from the base station, where the second fast transmission indication is a resource identifier and/or a transmission manner identifier that are/is included in the E-DCH DATA FRAME, or an E-RNTI included in the E-DCH DATA FRAME, or an E-RNTI and a data packet type identifier that are included in the E-DCH DATA FRAME.
  • RACH random access channel
  • E-DCH enhanced data channel
  • the data packet may further include a user identifier of the UE, or the data packet may further include a user identifier of the UE and a type of the user identifier.
  • the user identifier may be a U-RNTI, or a C-RNTI, or an IMSI, or a TMSI.
  • the user identifier may be carried in a MAC-d header, or a MAC-c header, or a MAC-i header.
  • the RNC in this embodiment may further include a transmitter 1203.
  • the transmitter 1203 may be configured to, before the data packet sent from the UE is received, forward a paging message to the UE, where the paging message includes a third fast transmission indication, and the third fast transmission indication is used to trigger the UE to use the fast transmission procedure to perform the data transmission.
  • the fast transmission indication may be included in a paging cause field of the paging message, or may be included in an H-RNTI corresponding to the paging message.
  • the transmitter 1203 may be further configured to: after the data packet sent from the UE is received, send a downlink data packet to the UE, where the downlink data packet includes the user identifier of the UE.
  • the user identifier included in the downlink data packet may be carried in a MAC-d header or a MAC-c header.
  • the transmitter 1203 may be specifically configured to: send the downlink data packet to the UE by using an HS-DSCH, where the user identifier is carried in the MAC-d header or the MAC-c header, or carried in a MAC-ehs header.
  • the transmitter 1203 may be further configured to: before the data packet sent from the UE is received, send a system information block (SIB) message to the UE, where the SIB message carries bearer configuration information of the data transmission, so that the UE sends the data packet to the base station according to the bearer configuration information.
  • SIB system information block
  • the transmitter 1203 may be further configured to: after the data packet sent from the user equipment (UE) is received, send a synchronization message to the UE, so that the UE releases the data transmission bearer according to the synchronization message.
  • UE user equipment
  • the data transmission apparatus in this embodiment may be used to execute the technical solution in the method embodiment shown in FIG. 2 , and an implementation principle of the technical solution executed by a corresponding RNC in the method embodiment shown in FIG. 4 is similar and is not described herein again.
  • a technical effect of the RNC in this embodiment is that, the RNC receives a data packet that is sent from a base station and carries a second fast transmission indication, and identifies that the data packet is sent in a fast transmission manner, so as to receive the data packet according to a fast transmission procedure. In this way, a process of establishing a data transmission channel by using multiple pieces of user plane signaling can be avoided, thereby simplifying a data transmission procedure and improving data transmission efficiency.
  • FIG. 13 is a schematic structural diagram of Embodiment 1 of UE according to the present invention.
  • UE 1300 in this embodiment may include a processor 1301 and a transmitter 1302.
  • the processor 1301 may be configured to send access information to a base station to acquire a transmission resource.
  • the transmitter 1302 may be configured to send a data packet to the base station by using the transmission resource, where the access information or the data packet includes a first fast transmission indication, so that the base station determines, according to the first fast transmission indication, that the UE performs data transmission by using a fast transmission procedure.
  • the first fast transmission indication included in the access information may include: at least one of an access signature, PRACH channelization code, and an access timeslot.
  • the first fast transmission indication included in the data packet may include: spare bits spare bits in a Media Access Control message header (MAC-i header) 0 in the data packet or an enhanced data channel radio network temporary identifier (E-RNTI) in a MAC-i header 0 in the data packet.
  • MAC-i header Media Access Control message header
  • E-RNTI enhanced data channel radio network temporary identifier
  • the data packet may further include a user identifier of the UE, or the data packet may further include a user identifier of the UE and a type of the user identifier.
  • the user identifier may be a U-RNTI, or a C-RNTI, or an IMSI, or a TMSI.
  • the user identifier may be carried in a MAC-d header, or a MAC-c header, or a MAC-i header.
  • the UE in this embodiment may further include a receiver 1303.
  • the receiver 1303 may be configured to, before the access information is sent to the base station to acquire the transmission resource, receive a paging message sent from an RNC, where the paging message includes a third fast transmission indication, and the third fast transmission indication is used to trigger the UE to use the fast transmission procedure to perform the data transmission.
  • the third fast transmission indication may be included in a paging cause field of the paging message, or may be included in an H-RNTI corresponding to the paging message.
  • the receiver 1303 may be further configured to: after the data packet is sent to the base station by using the transmission resource, receive a downlink data packet that is sent from the RNC by using the base station, where the downlink data packet includes the user identifier of the UE.
  • the user identifier included in the downlink data packet may be carried in a MAC-d header or a MAC-c header.
  • the receiver 1303 may be specifically configured to: receive, by using an HS-DSCH, the downlink data packet sent from the RNC to the UE, where the user identifier is carried in the MAC-d header or the MAC-c header, or carried in a MAC-ehs header.
  • the receiver 1303 may be further configured to: before the data packet is sent to the base station by using the transmission resource, receive a system information block (SIB) message sent from the RNC, where the SIB message carries bearer configuration information of the data transmission; where the transmitter 1302 may be specifically configured to: send the data packet to the base station according to the bearer configuration information by using the transmission resource.
  • SIB system information block
  • the receiver 1303 may be further configured to: after the data packet is sent to the base station by using the transmission resource, receive a synchronization message that is sent from the RNC by using the base station, and release a data transmission bearer according to the synchronization message.
  • the UE in this embodiment may be used to execute the technical solution in the method embodiment shown in FIG. 3 , and an implementation principle of the technical solution executed by a corresponding UE in the method embodiment shown in FIG. 4 is similar and is not described herein again.
  • a technical solution of the UE in this embodiment is that, access information or the data packet sent from the UE to a base station includes a first fast transmission indication, so that the base station determines, according to the fast transmission indication, that the UE performs data transmission by using a fast transmission procedure, so that the base station also sends the data packet to an RNC in a fast transmission manner.
  • access information or the data packet sent from the UE to a base station includes a first fast transmission indication, so that the base station determines, according to the fast transmission indication, that the UE performs data transmission by using a fast transmission procedure, so that the base station also sends the data packet to an RNC in a fast transmission manner.
  • FIG. 14 is a schematic structural diagram of an embodiment of a communications system according to the present invention.
  • a communications system 1400 in this embodiment may include the base station according to any embodiment of the present invention and the RNC according to any embodiment of the present invention.
  • the program may be stored in a computer-readable storage medium. When the program runs, the steps of the method embodiments are performed.
  • the foregoing storage medium includes: any medium that can store program code, such as a ROM, a RAM, a magnetic disk, or an optical disc.

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US20160081115A1 (en) 2016-03-17
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